xref: /linux/drivers/gpu/drm/amd/display/dc/inc/hw/vpg.h (revision db5d28c0bfe566908719bec8e25443aabecbb802)
1 /*
2  * Copyright 2024 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  */
24 
25 #ifndef __DC_VPG_H__
26 #define __DC_VPG_H__
27 
28 struct dc_context;
29 struct dc_info_packet;
30 
31 struct vpg;
32 
33 struct vpg_funcs {
34 	void (*update_generic_info_packet)(
35 		struct vpg *vpg,
36 		uint32_t packet_index,
37 		const struct dc_info_packet *info_packet,
38 		bool immediate_update);
39 
40 	void (*vpg_poweron)(
41 		struct vpg *vpg);
42 
43 	void (*vpg_powerdown)(
44 		struct vpg *vpg);
45 };
46 
47 struct vpg {
48 	const struct vpg_funcs *funcs;
49 	struct dc_context *ctx;
50 	int inst;
51 };
52 
53 #endif /* DC_INC_VPG_H_ */